Commit c544f00a authored Mar 13, 2026 by Ben Horgan Committed by James Morse Mar 27, 2026

arm64: mpam: Drop the CONFIG_EXPERT restriction



In anticipation of MPAM being useful remove the CONFIG_EXPERT restriction.

This was done to prevent the driver being enabled before the user-space
interface was wired up.

Tested-by: Zeng Heng <zengheng4@huawei.com>
Tested-by: Punit Agrawal <punit.agrawal@oss.qualcomm.com>
Tested-by: Gavin Shan <gshan@redhat.com>
Tested-by: Shaopeng Tan <tan.shaopeng@jp.fujitsu.com>
Tested-by: Jesse Chick <jessechick@os.amperecomputing.com>
Reviewed-by: Zeng Heng <zengheng4@huawei.com>
Reviewed-by: Shaopeng Tan <tan.shaopeng@jp.fujitsu.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Reviewed-by: Gavin Shan <gshan@redhat.com>
Reviewed-by: James Morse <james.morse@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Ben Horgan <ben.horgan@arm.com>
[ morse: Added second paragraph ]
Signed-off-by: James Morse <james.morse@arm.com>

parent 87b78a5d

arch/arm64/Kconfig

+1 −1

Original line number	Diff line number	Diff line
		@@ -2016,7 +2016,7 @@ config ARM64_TLB_RANGE

		config ARM64_MPAM
		bool "Enable support for MPAM"
		select ARM64_MPAM_DRIVER if EXPERT # does nothing yet
		select ARM64_MPAM_DRIVER
		select ACPI_MPAM if ACPI
		help
		Memory System Resource Partitioning and Monitoring (MPAM) is an

drivers/resctrl/Kconfig

+1 −1

Original line number	Diff line number	Diff line
		menuconfig ARM64_MPAM_DRIVER
		bool "MPAM driver"
		depends on ARM64 && ARM64_MPAM && EXPERT
		depends on ARM64 && ARM64_MPAM
		help
		Memory System Resource Partitioning and Monitoring (MPAM) driver for
		System IP, e.g. caches and memory controllers.